Eine Person mit “0RH-” Blut kann keine “0RH+”-Blutspende annehmen, ohne zu sterben richtig?
Aber eine Person mit AB RH+ kann ORH+Blut annehmen, richtig?
(1 votes)
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That’s not right, no. I now assume in my text that we mean exclusively erythrocyte concentrates, so no whole blood and no plasma donations.
On the one hand, as a rhesus-negative person, it is possible to obtain rhesus-positive blood. Once this goes completely without problems, if you give the canned fast enough in succession you can also get several.
Then the body forms a reaction against it, and it is not possible again. But if you get that again, it doesn’t necessarily lead to the death. The complications aren’t “you’re falling right away”, but rather “you have a day-long reaction that has treatment options – but of course the final result is worse than if you hadn’t got any cans, which is why it’s not an option to get it to this reaction”.
But, yes, AB Rhesus can get positive from 0 Rhesus. Of course, only as long as a cross sample (one mixes donor cells with patient plasma and sees whether there is a reaction) is also inconspicuous, and otherwise does not speak against it.
But you don’t. In principle, if possible, blood groups are donated. On the one hand, because only limited amounts of blood are stored, and if you give 0 positive to all people, there is no 0 positive left for the people with blood group 0, which could not also get A, B or AB.
On the other hand, if you get several cans of another group, the minimum plasma residues accumulate in the erythrocyte concentrates, and these can then very well trigger a reaction. As a rule of thumb, it is often said that at the latest after the 6th ‘EK’ should switch to the actual blood group of this patient.
These are two components you’re talking about.
Once the properties on the red blood cells. These can present egg types A or B or also A and B simultaneously. Or you don’t have one of them, then you’re blood group 0. Any type of protein you do not have yourself leads to a reaction to these red blood cells. Therefore A can only get A, B can only get B. And AB should just get AB. However, an AB could also carry A or B, but would, after first contact, form antibodies against the protein which it does not have (if the antibodies are not already present). That’s why you don’t.
red blood cells of the blood group 0 do not have any of the special proteins, can therefore theoretically be given to each human. Problems then arise, however, possibly due to residues of the plasma which is still transmitted and contain antibodies against A and/or B. This Graft-verus-Host reaction, however, strongly depends on the purification and preparation of the red blood cells and can thus be almost completely avoided in the case of 0-ery concentrates, while direct fresh blood transfer will lead to this, but can be suppressed medicamentally.
This is similar to the rhesus factor. This is also a protein on the red blood cells. It can occur in all blood groups. Rh+ people do not form antibodies against this protein. Rh people form such antibodies when contacted with Rh+ blood, but they do not have them from the beginning. This is important for pregnancy because in a RH+ child the mother forms these antibodies in the first pregnancy. This causes further RH+ children to be damaged during the next pregnancy. This is prevented by an anti-D prophylaxis during pregnancy and after childbirth with corresponding parent blood groups. After birth, there is only if the child is actually Rh+.
When blood is transmitted, it depends on what is transmitted. Rh+ can get Rh+ and Rh red blood cells. in the case of solid or fresh blood there can be a reaction of the antibodies of the donor against the cells of the receiver. if the donor Rh- is, however, an antibody. This does not matter to purified ery concentrates.
In your constellation, 0 Rh- is a universal donor. But he can only get 0 RH. AB RH+ can therefore also get 0 RH+ without what happens when the erys are cleaned and as free as possible from blood plasma.
In addition to these systems, there is a wait system, the MN system and the Duffy system. You can read more here.
Taking blood is not good.
But if it’s still in the meat, it doesn’t matter.
JEIN!
The risk of death is already extremely high in the case described, so + blood in person? nix good…
https://www.msdmanuals.com/de-de/profi/h%C3%A4matology and oncology/transfusion medicine/transfusion complications
here you will find some possible complications.
But the second statement is true, right?